A needle-free COVID-19 vaccination could be possible, with University of Queensland scientists successfully protecting mice from the virus by administering a US-developed vaccine candidate with a ‘patch’.

The University of Texas Hexapro vaccine candidate – delivered via the UQ-developed and Vaxxas-commercialised high-density microarray patch (HD-MAP) – provided protection against COVID-19 disease with a single, pain-free ‘click’ from a pocket-sized applicator.